Put the files on a system with the tape drive as master on the Secondary Cable. Run from real DOS, not a DOS box from Windows: UPGRD FLCN2121.FLS I 1 Description of above command line: UPGRD - name of UPGRD.EXE program. FLCN2121.FLS - name up firmware upgrade file. I - the letter I, for IDE 1 - the number one, for Secondary cable. The UPGRD utility can be used for either IDE or SCSI tape drives. For SCSI drives, an ASPI driver is required. If you just run UPGRD.EXE with no parameters, it will display example command line. UPGRD.EXE Numbering conventions (last parameter) 0 is IDE Primary Cable, or SCSI Host Adapter 0. 1 is IDE Secondary Cable, or SCSI Host Adapter 1.